Background: Epidemiologic data suggest a protective effect of Helicobacter pylori infection against the development of autoimmune disease. Laboratory data illustrate H. pylori's ability to induce immune tolerance and limit inflammatory responses. Numerous observational studies have investigated the
Association between Helicobacter pylori infection and laryngohypopharyngeal carcinoma: A case–control study and review of the literature
✍ Scribed by Jalal Rezaii; Hassan Tavakoli; Khalil Esfandiari; Hossein Ashegh; Mehrdad Hasibi; Gholamreza Ghanei; Mahnaz Khosh-Batn; Armin Rashidi
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 81 KB
- Volume
- 30
- Category
- Article
- ISSN
- 1043-3074
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
Background.
Gastroesophageal reflux, by exposing the pharynx to Helicobacter pylori (H. pylori), is a potential risk factor for laryngohypopharyngeal carcinoma. Its possible association has been inconsistent. In this case–control study, we investigated the relationship between H. pylori seropositivity and laryngohypopharyngeal carcinoma in Iran.
Methods.
We had 105 healthy controls (group A), 70 cases of laryngeal carcinoma (group B), and 28 cases of hypopharyngeal carcinoma group (group C). Age, sex, smoking habit, alcohol use, and H. pylori serology were determined for all subjects.
Results.
Groups were matched in age and alcohol use. Smoking and H. pylori seropositivity were more common in groups B and C, and male sex was more common in group B (compared with group A). In multivariate regression, the effect of smoking (p <.01, odds ratio [OR] = 2.92) and H. pylori seropositivity (p <.01, OR = 11.49) remained highly significant.
Conclusion.
H. pylori is an independent risk factor for laryngohypopharyngeal carcinoma. © 2008 Wiley Periodicals, Inc. Head Neck, 2008
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